1122111101211 has 8 divisors (see below), whose sum is σ = 1496179137600. Its totient is φ = 748058566152.

The previous prime is 1122111101173. The next prime is 1122111101219. The reversal of 1122111101211 is 1121011112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122111101211 - 2⁶ = 1122111101147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122111101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705361 + ... + 3996738.

It is an arithmetic number, because the mean of its divisors is an integer number (187022392200).

Almost surely, 2^{1122111101211} is an apocalyptic number.

1122111101211 is a deficient number, since it is larger than the sum of its proper divisors (374068036389).

1122111101211 is an equidigital number, since it uses as much as digits as its factorization.

1122111101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750665.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1122111101211 its reverse (1121011112211), we get a palindrome (2243122213422).

The spelling of 1122111101211 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one hundred one thousand, two hundred eleven".